MASTER OT J185838.73+460207.2 superoutburst YYYYMMDD(UT) mag observer 20220130.8910 <149c (Yutaka Maeda) 20220201.8587 <146c (Yutaka Maeda) 20220208.8776 <154c (Yutaka Maeda) 20220210.8856 <152c (Yutaka Maeda) 20220211.5110 15.403zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220211.5322 15.700zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220213.4928 15.426zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220215.4995 15.982zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220218.5156 16.111zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220218.5293 16.324zr (Zwicky Transient Facility Lasair (Masci+ 2019))